"The Swarm"

[Hartington]

This manned multi rotor has appeared in various media reports recently

https://www.youtube.com/watch?v=t5JgnMJzCtQ

At what point will the inventor/maker have to apply for a G- registration?

[CRayner]

No idea what the rules are, but there are dozens of these, ranging from this: http://youtu.be/Hb1NCr9PbHQ
To this: e-volo (http://www.e-volo.com)